Exposure
- ID
- GRAVI.2023-06-02T08:25:59.531_1
- Header ID
- GRAVI.2023-06-02T08:25:59.531
- Date updated
- 2023-06-02 08:41:47 UTC+0000
- Release date
- 2024-06-02 08:41:47 UTC+0000
- UTC Start
- 2023-06-02 08:25:59.531
- UTC End
- 2023-06-02 08:31:59.531
- MJD Start
- 60097.35138346
- MJD End
- 60097.3555501267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075315
- Ambient temperature (°C)
- 16.0
- Seeing (arcsec)
- 0.67
Observation
- ID
- 55627
- Category
- science
- Program ID
- 111.24H1.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41190
- Name
- S4
- RA
- 266.416531
- DEC
- -29.00733
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.0650 | 51.7130 | 38.8000 | 39.1000 |
| U1-U3 | 92.1810 | 91.3790 | 45.0000 | 45.3000 |
| U1-U4 | 107.2690 | 105.4550 | 76.0260 | 76.5790 |
| U2-U3 | 40.8140 | 40.3570 | 53.0000 | 53.3000 |
| U2-U4 | 72.9600 | 71.6810 | 101.5990 | 102.6060 |
| U3-U4 | 55.2590 | 54.7470 | 135.2610 | 136.6020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60097.35138346 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416531 |
| DEC | -29.00733 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 52.065 |
| HIERARCH ESO ISS PBL12 END | 51.713 |
| HIERARCH ESO ISS PBLA12 START | 38.8 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 92.181 |
| HIERARCH ESO ISS PBL13 END | 91.379 |
| HIERARCH ESO ISS PBLA13 START | 45.0 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 107.269 |
| HIERARCH ESO ISS PBL14 END | 105.455 |
| HIERARCH ESO ISS PBLA14 START | 76.026 |
| HIERARCH ESO ISS PBLA14 END | 76.579 |
| HIERARCH ESO ISS PBL23 START | 40.814 |
| HIERARCH ESO ISS PBL23 END | 40.357 |
| HIERARCH ESO ISS PBLA23 START | 53.0 |
| HIERARCH ESO ISS PBLA23 END | 53.3 |
| HIERARCH ESO ISS PBL24 START | 72.96 |
| HIERARCH ESO ISS PBL24 END | 71.681 |
| HIERARCH ESO ISS PBLA24 START | 101.599 |
| HIERARCH ESO ISS PBLA24 END | 102.606 |
| HIERARCH ESO ISS PBL34 START | 55.259 |
| HIERARCH ESO ISS PBL34 END | 54.747 |
| HIERARCH ESO ISS PBLA34 START | 135.261 |
| HIERARCH ESO ISS PBLA34 END | 136.602 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008699 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006364 |
| HIERARCH ESO ISS AMBI TEMP | 16.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |